Question

write any two trigonometry identities ,?
winner gets brain liest ok.​

Answer 1

Answer:

sin function and cousin function these are the two trigonometry identities

Answer 2

Answer:

Reciprocal Identities:-

=>Sin θ = 1/Csc θ or Csc θ = 1/Sin θ

=>Cos θ = 1/Sec θ or Sec θ = 1/Cos θ

=>Tan θ = 1/Cot θ or Cot θ = 1/Tan θ

Pythagorean Identities:-

=>sin2 a + cos2 a = 1

=>1+tan2 a = sec2 a

=>cosec2 a = 1 + cot2 a

Ratio Identities:-

=>Tan θ = Sin θ/Cos θ

=>Cot θ = Cos θ/Sin θ

Opposite Angle Identities:-

=>Sin (-θ) = – Sin θ

=>Cos (-θ) = Cos θ

=>Tan (-θ) = – Tan θ

=>Cot (-θ) = – Cot θ

=>Sec (-θ) = Sec θ

=>Csc (-θ) = -Csc θ

Complementary Angles Identities:-

=>Sin (90 – θ) = Cos θ

=>Cos (90 – θ) = Sin θ

=>Tan (90 – θ) = Cot θ

=>Cot ( 90 – θ) = Tan θ

=>Sec (90 – θ) = Csc θ

=>Csc (90 – θ) = Sec θ

Step-by-step explanation:

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